She is selfless, Viola is in love with Orsino but still chooses to help him be happy, so she is selfless
The boldfaced clause modify is Picture. (A)
Answers:
1) The car, which took Miah months of saving money to buy, is parked in the garage.
2)The bicycle that Kameron has had since he was ten years old is still in great shape.
4) Sierra met the boy whose parents had recently opened the restaurant doors across the street.